* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Microsoft Yahei", sans-serif;
}
body {
  background: #080c20;
  color: #fff;
  min-height: 100vh;
  padding: 20px;
}
.container {
  max-width: 1300px;
  margin: 0 auto;
}
.header-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(22, 34, 70, 0.7);
  border-radius: 12px;
  padding: 16px 24px;
  margin-bottom: 16px;
  border: 1px solid rgba(100,140,255,0.25);
}
.title-wrap h2 {
  font-size: 22px;
  color: #ffe8a8;
  margin-bottom: 6px;
}
.title-wrap p {
  font-size: 14px;
  color: #b8c8f0;
}
.tip-right {
  color: #ffe8a8;
  font-size:14px;
}
.wrap-row{
  display:flex;
  gap:16px;
}
#p5CanvasWrap {
  flex: 1;
  background: linear-gradient(180deg, #070b22 0%, #141b40 100%);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(100,140,255,0.25);
}
canvas {
  display:block;
  width:100%;
}
.cam-wrap{
  width:320px;
  background:#111836;
  border-radius:12px;
  padding:12px;
  border:1px solid rgba(100,140,255,0.25);
  position:relative;
}
.cam-wrap h4{
  color:#ffe8a8;
  margin-bottom:8px;
  text-align:center;
}
#videoInput{
  width:100%;
  transform: scaleX(-1);
}
#handCanvas{
  width:100%;
  height:calc(100% - 28px);
  position:absolute;
  top:28px;
  left:12px;
  transform: scaleX(-1);
}
.control-panel {
  margin-top:16px;
  background: rgba(22, 34, 70, 0.7);
  border-radius:12px;
  padding:16px 24px;
  border:1px solid rgba(100,140,255,0.25);
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}
.stage-info, .state-info {
  color:#ffe8a8;
}
#resetBtn {
  padding: 8px 16px;
  background: #c28a29;
  border:none;
  color:#fff;
  border-radius:6px;
  cursor:pointer;
}